[jira] [Updated] (SPARK-23457) Register task completion listeners first for ParquetFileFormat

["Dongjoon Hyun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-23457:
----------------------------------
    Summary: Register task completion listeners first for ParquetFileFormat  (was: Register task completion listeners first for Parquet)

> Register task completion listeners first for ParquetFileFormat
> --------------------------------------------------------------
>
>                 Key: SPARK-23457
>                 URL: https://issues.apache.org/jira/browse/SPARK-23457
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Dongjoon Hyun
>            Priority: Major
>
> ParquetFileFormat leaks open files in some cases. This issue aims to register task completion listener first.
> {code}
>   test("SPARK-23390 Register task completion listeners first in ParquetFileFormat") {
>     withSQLConf(SQLConf.PARQUET_VECTORIZED_READER_BATCH_SIZE.key -> s"${Int.MaxValue}") {
>       withTempDir { dir =>
>         val basePath = dir.getCanonicalPath
>         Seq(0).toDF("a").write.format("parquet").save(new Path(basePath, "first").toString)
>         Seq(1).toDF("a").write.format("parquet").save(new Path(basePath, "second").toString)
>         val df = spark.read.parquet(
>           new Path(basePath, "first").toString,
>           new Path(basePath, "second").toString)
>         val e = intercept[SparkException] {
>           df.collect()
>         }
>         assert(e.getCause.isInstanceOf[OutOfMemoryError])
>       }
>     }
>   }
> {code}



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